71916760

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{33923}}^1$

素因数の和:33987

約数の個数: 32

約数和(自身を含む): 164870640

約数和(自身を除く): 92953880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 33923, 67846, 135692, 169615, 271384, 339230, 678460, 1356920, 1797919, 3595838, 7191676, 8989595, 14383352, 17979190, 35958380, 71916760]

約数ペア:

[(1, 71916760), (2, 35958380), (4, 17979190), (5, 14383352), (8, 8989595), (10, 7191676), (20, 3595838), (40, 1797919), (53, 1356920), (106, 678460), (212, 339230), (265, 271384), (424, 169615), (530, 135692), (1060, 67846), (2120, 33923)]